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Purse State Park, Maryland, USA, Aquia Formation     38.43 N, 77.26 W
found in material provided by John          Thanetian, Paleocene

Benthonics
the classification of these planispiral and trochospiral specimens as Cibicides is based upon:
Cushman, J, 1951: Paleocene foraminifera of the Gulf Coastal region of the United States and adjacent areas, U.S. Geological Survey professional paper 232, Plate 19
Any hint of newer literature on paleocene benthonics from the East Coast of the USA is highly appreciated

Cibicides cf. vulgaris
(Plummer), 1927
Cibicides cf. vulgaris
(Plummer), 1927
Cibicides cf. vulgaris
(Plummer), 1927
Cibicides sp.
Cibicides vulgaris, Purse State Park, Maryland, USA, Aquia Formation
Cibicides vulgaris, Purse State Park, Maryland, USA, Aquia Formation
Cibicides vulgaris, Purse State Park, Maryland, USA, Aquia Formation
Cibicides sp., Purse State Park, Maryland, USA, Aquia Formation
Cibicides sp.
Cibicides sp.
Cibicides sp.
Cibicides sp.
Cibicides sp., Purse State Park, Maryland, USA, Aquia Formation
Cibicides sp., Purse State Park, Maryland, USA, Aquia Formation
Cibicides sp., Purse State Park, Maryland, USA, Aquia Formation
Cibicides sp., Purse State Park, Maryland, USA, Aquia Formation

Planctonics
the classification is difficult for me and may be wrong, it is based upon:
Richard K. Olsson, Christoph Hemleben, William A. Berggren and Brian T. Huber, editors, 1999: Atlas of Paleocene Planktonic Foraminifera, printed version

Acarinina sp.
Globanomalina sp.
Globigerina sp.
Globorotalia sp.
Acarinina sp., Purse State Park, Maryland, USA, Aquia Formation
Globanomalina sp., Purse State Park, Maryland, USA, Aquia Formation
Globigerina sp., Purse State Park, Maryland, USA, Aquia Formation
Globorotalia sp., Purse State Park, Maryland, USA, Aquia Formation